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I want to rotate a series of lights that are all spaced evenly from each other with a single actuator such that when the first light rotates 1 degree, the second one will rotate 2 degrees and the third 3 degrees etc. Does anyone know of a way to do that?

Chris Woodhouse
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  • Many ways. You forgot to specify a maximum angle of rotation. What is it? What is the lamp spacing? – Transistor Mar 17 '23 at 17:21
  • the last light in the line will rotate a maximum of 45 degrees. Spacing will probably between 1.5 to 2 inches – Chris Woodhouse Mar 17 '23 at 19:00
  • Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. – Takala Mar 18 '23 at 15:51
  • So you want a system that can rotate up to 45 lights the corresponding number of degrees. Wouldn't dtails like that be critical to the question? – StainlessSteelRat Mar 24 '23 at 12:49

1 Answers1

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Belt-driven pulleys seems easiest.

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Do an image search for "timing belts, pulleys and tensioners" and you should get some ideas.

Transistor
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  • The evenly spaced aspect works well in this example, but there may be limits for the larger sizes, yes? I can envision stacked pulleys to address that aspect. – fred_dot_u Mar 17 '23 at 21:03
  • @fred_dot_u, agreed, but it gets worse as you're now needing a varying ratio between adjacent lamps in a pattern like 2/1, 3/2, 4/3, 5/4, etc. "Analogue" pulleys turned to factional dimensions would be more accurate than "digital" timing pulleys which only come in integer values! – Transistor Mar 17 '23 at 21:17